title: Erectile dysfunction in primary care: prevalence and patient characteristics. The ENIGMA study.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D000465:Algorithms; D007172:Erectile Dysfunction / Q000150:complications / Q000453:epidemiology* / Q000523:psychology; D006306:Health Surveys; D006801:Humans; D008019:Life Style; D008297:Male; D008875:Middle Aged; D009426:Netherlands / Q000453:epidemiology; D012307:Risk Factors; D011795:Surveys and Questionnaires